package cn.com.open.itembank.common;

/**
 * Created by lyq on 2017/9/7.
 * POI 导出图片bug修复
 */

import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlToken;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;

import java.io.IOException;
import java.io.InputStream;

/**
 * The type Custom xwpf document.
 */
public class CustomXWPFDocument extends XWPFDocument {

    private static org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(CustomXWPFDocument.class);

    /**
     * Instantiates a new Custom xwpf document.
     *
     * @param in the in
     * @throws IOException the io exception
     */
    public CustomXWPFDocument(InputStream in) throws IOException {
        super(in);
    }

    /**
     * Instantiates a new Custom xwpf document.
     */
    public CustomXWPFDocument() {
        super();
    }

    /**
     * Instantiates a new Custom xwpf document.
     *
     * @param pkg the pkg
     * @throws IOException the io exception
     */
    public CustomXWPFDocument(OPCPackage pkg) throws IOException {
        super(pkg);
    }  // picAttch 图片后面追加的字符串 可以是空格

    /**
     * Create picture.
     *
     * @param paragraph the paragraph
     * @param id        the id
     * @param width     the width
     * @param height    the height
     * @param picAttch  the pic attch
     */
    public void createPicture(XWPFParagraph paragraph, int id, int width, int height, String picAttch) {
        final int EMU = 9525;
        width *= EMU;
        height *= EMU;
        String blipId = getAllPictures().get(id).getPackageRelationship()
                .getId();

        CTInline inline = paragraph.createRun().getCTR()
                .addNewDrawing().addNewInline();
        paragraph.createRun().setText(picAttch);
        String picXml = ""
                + "<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">"
                + "   <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
                + "      <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
                + "         <pic:nvPicPr>" + "            <pic:cNvPr id=\""
                + id
                + "\" name=\"Generated\"/>"
                + "            <pic:cNvPicPr/>"
                + "         </pic:nvPicPr>"
                + "         <pic:blipFill>"
                + "            <a:blip r:embed=\""
                + blipId
                + "\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>"
                + "            <a:stretch>"
                + "               <a:fillRect/>"
                + "            </a:stretch>"
                + "         </pic:blipFill>"
                + "         <pic:spPr>"
                + "            <a:xfrm>"
                + "               <a:off x=\"0\" y=\"0\"/>"
                + "               <a:ext cx=\""
                + width
                + "\" cy=\""
                + height
                + "\"/>"
                + "            </a:xfrm>"
                + "            <a:prstGeom prst=\"rect\">"
                + "               <a:avLst/>"
                + "            </a:prstGeom>"
                + "         </pic:spPr>"
                + "      </pic:pic>"
                + "   </a:graphicData>" + "</a:graphic>";

        inline.addNewGraphic().addNewGraphicData();
        XmlToken xmlToken = null;
        try {
            xmlToken = XmlToken.Factory.parse(picXml);
        } catch (XmlException ex) {
            logger.error(ex.getMessage());
        }
        inline.set(xmlToken);
        // graphicData.set(xmlToken);

        inline.setDistT(0);
        inline.setDistB(0);
        inline.setDistL(0);
        inline.setDistR(0);

        CTPositiveSize2D extent = inline.addNewExtent();
        extent.setCx(width);
        extent.setCy(height);

        CTNonVisualDrawingProps docPr = inline.addNewDocPr();
        docPr.setId(id);
        docPr.setName("图片" + id);
        docPr.setDescr("");
    }
}